Windows 10: Extending C: on Disk 1 to unallocated space problems

Discus and support Extending C: on Disk 1 to unallocated space problems in Windows 10 Support to solve the problem; I fear my lack of knowledge might be creating a problem. Trying to help a friend with his W10 system. Disk 1 had partitions C: (System,... Discussion in 'Windows 10 Support' started by brucemc777, Aug 23, 2019.

  1. Extending C: on Disk 1 to unallocated space problems


    I fear my lack of knowledge might be creating a problem.

    Trying to help a friend with his W10 system.

    Disk 1 had partitions C: (System, boot,Page,...), and D:

    Instead of moving some data to D: he wanted the space D: occupied to be merged into C:

    I had him first verify that anything he needed on D: was backed up, then using Disk Management, we selected "Delete Volume"

    The area which was D: is now showing as "Unallocated Space"

    Now C: does not allow (Grayed out) Extend Volume.

    Where did i go wrong?, and what remedies exist, please!

    Thank-you folks!

    :)
     
    brucemc777, Aug 23, 2019
    #1

  2. Unallocated Space to C Drive

    Thanks
     
    realtravisbrown92, Aug 23, 2019
    #2
  3. Ruz San Win User
    Unallocated Space to C Drive

    Hi Travis,

    It appears that a disk partition was created but was never assigned its allocation. Assuming there are no files stored in the unallocated partition, perform these steps to combine it with your C: drive:

    • In Disk Management, right-click on (CExtending C: on Disk 1 to unallocated space problems :) which appears next to the
      Unallocated partition.
    • Select Extend.

    Let us know if you're able to combine the spaces after following the steps above.

    Regards.
     
    Ruz San, Aug 23, 2019
    #3
  4. Extending C: on Disk 1 to unallocated space problems

    How to extend C: drive to claim unallocated space?

    My verified solution to dealing with unallocated space on a disk (Windows operating system):

    1. BACK YOUR STUFF UP.
    2. When the unallocated space is not immediately next to the partition you want to extend, Disk Management falls short on the task. Install the free third-party tool MiniTool Partition Wizard, which seems to have good support and is kept up to date. It's a standalone application that doesn't require any booting from a CD.
    3. Run the program as administrator (recommended here).
    4. This step involves moving partitions around. We want the C: partition to be immediately next to the unallocated space.
      1. Right click on the partition currently next to the unallocated space, blocking the way. Select Move/Resize.
      2. In the block labeled Size And Location, there will be a slider. It's unintuitive, but it represents where your partition lives in memory. Drag the center of the slider all the way to the other side (of the unallocated space), making sure none of the byte sizes change (obviously we want the location to change). Click OK.
      3. Changes haven't occurred yet. Click Apply at the top. Follow the instructions.
      4. Repeat these steps for any other blocking partitions.
    5. Go back into Disk Management (or use the wizard...) and extend the volume.
    6. Reboot for good measure to make sure things still work.

    Some notes about my solution in particular --
    I had a partition next to my C: drive that didn't have any recognizable file system format. I'm fairly sure it was a leftover of un-dual-booting a Linux OS long ago. I deleted it and everything was fine.
     
    Josh Detwiler, Aug 23, 2019
    #4
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Extending C: on Disk 1 to unallocated space problems

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